Griffin Brock

Griffin Gustavo Brock, better known as Granite, and sometimes Gray Granite and Granite the Gray, is a villain and one of the many people infected with Ajax's nanites, having similar powers to Gavin Vance. He is the first villain the Legends, then called the Arsenals, faced and put him in custody. In Season 4, Griffin is seen as one of the many old and new villains recruited by the Brotherhood.